// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2009 Keir Mierle <mierle@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.

#include "main.h"

template<DenseIndex rows, DenseIndex cols>
void
resizeLikeTest()
{
	MatrixXf A(rows, cols);
	MatrixXf B;
	Matrix<double, rows, cols> C;
	B.resizeLike(A);
	C.resizeLike(B); // Shouldn't crash.
	VERIFY(B.rows() == rows && B.cols() == cols);

	VectorXf x(rows);
	RowVectorXf y;
	y.resizeLike(x);
	VERIFY(y.rows() == 1 && y.cols() == rows);

	y.resize(cols);
	x.resizeLike(y);
	VERIFY(x.rows() == cols && x.cols() == 1);
}

void
resizeLikeTest12()
{
	resizeLikeTest<1, 2>();
}
void
resizeLikeTest1020()
{
	resizeLikeTest<10, 20>();
}
void
resizeLikeTest31()
{
	resizeLikeTest<3, 1>();
}

EIGEN_DECLARE_TEST(resize)
{
	CALL_SUBTEST(resizeLikeTest12());
	CALL_SUBTEST(resizeLikeTest1020());
	CALL_SUBTEST(resizeLikeTest31());
}
